215929179621

素因数分解:

$3^6\times {\mathrm{71}}^1\times {\mathrm{4171819}}^1$

素因数の和:4171908

約数の個数: 28

約数和(自身を含む): 328305546720

約数和(自身を除く): 112376367099

約数列:

[1, 3, 9, 27, 71, 81, 213, 243, 639, 729, 1917, 5751, 17253, 51759, 4171819, 12515457, 37546371, 112639113, 296199149, 337917339, 888597447, 1013752017, 2665792341, 3041256051, 7997377023, 23992131069, 71976393207, 215929179621]

約数ペア:

[(1, 215929179621), (3, 71976393207), (9, 23992131069), (27, 7997377023), (71, 3041256051), (81, 2665792341), (213, 1013752017), (243, 888597447), (639, 337917339), (729, 296199149), (1917, 112639113), (5751, 37546371), (17253, 12515457), (51759, 4171819)]